Asparagine is
(1) Amide formed by addition of another amino group to glutamate
(2) Two amino groups over carboxy group of aspartate
(3) One amino group over hydroxy part of aspartic acid
(4) All of these
Glutamine is
(1) Amide formed by addition of another amino group to Glycine
(2) Two amino groups over carboxy group of aspartate
(3) One amino group over hydroxy part of glutamic acid
(4) All of these
For the transportation of Nitrogen to other part which of the following is preferably used?
(1) Lysine
(2) Glutamate
(3) Aspartate
(4) Glutamine
Nodules of some plants like…….export the fixed nitrogen as….
(1) Soyabean, amide
(2) Soyabean, Ureides
(3) Mango, amide
(4) Mango, Ureides
Ureides have
(1) A particularly high Nitrogen to carbon ratio
(2) A particularly low Nitrogen to carbon ratio
(3) A particularly low Nitrogen to oxygen ratio
(4) A particularly low Nitrogen ratio
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
(Plant mineral) (Function)
I. Manganese 1. Splitting of water
II. Zinc 2. Synthesis of auxin
III. Boron 3. Pollen germination
IV. Molybdenum 4. Nitrogen metabolism
Codes:
I II III IV
A. 1 2 3 4
B. 2 1 4 3
C. 2 1 3 4
D. 1 2 4 3
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
(element) (enzyme)
I. Magnesium 1. PEP carboxylase
II. Zinc 2. Alcohol dehydrogenase
III. Molybdenum 3. Nitrogenase
Codes:
I II III
A. 1 2 3
B. 2 1 3
C. 2 3 1
D. 1 3 2
What type of reaction is shown in the given figure?
1. Deamination
2. Reductive amination
3. Transamination
4. Nitrogenation
In the given diagram of a typical set up for nutrient solution culture, the purpose of X is:
1. Addition of water 2. Addition of nutrients 3. Removal of wastes 4. Aeration |
The most important amides of plants are
(1) Asparagine
(2) Glutamine
(3) a structural part of proteins
(4) All of these